The Lanemasters Kong worked perfectly, as it was, on medium-light oil patterns. The problem for it and all particles was that if you start out at medium-light, using a solid particle ball, it won't stay medium-light for long. And, because most do not have a strong backend, you can't move very deep with them. So they're good for 2 games at most, if that. That's why I got rid of my Kong.
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"None are so blind as those who will not see."